*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NP6594000 CHEMICAL NAME : 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 2-((2-methyl-1-oxo-2-propenyl)oxy) ethyl ester, polymer with methyl 2-methyl-2-propenoate CAS REGISTRY NUMBER : 71716-65-9 LAST UPDATED : 199106 DATA ITEMS CITED : 6 MOLECULAR FORMULA : (C15-H12-O7.C5-H8-O2)x SYNONYMS/TRADE NAMES : * MMA-4-meta *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Gastrointestinal - hypermotility, diarrhea REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Skin and Appendages - corrosive (after topical exposure) REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Gastrointestinal - hypermotility, diarrhea REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Skin and Appendages - corrosive (after topical exposure) REFERENCE : SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 67,334,1979 *** END OF RECORD ***